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# What is the velocity of the bob of a simple pendulum at its mean position, if it is able to rise to vertical height of (Take )

## The correct answer is:

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### A mass ‘m’ moves with a velocity 'v’ and collides in elastically with another identical mass. After collision the Ist mass moves with velocity in a direction perpendicular to the initial direction of motion. Find the speed of the 2^{nd} mass after collision

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### The graph of displacement (x) time (t) for an object is given in the figure. In which part of the graph the acceleration of the particle is positive ?

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### The resultant of two forces, one double the other in magnitude, is perpendicular to the smaller of the two forces. The angle between the two forces is -

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### The intercept of the velocity-time graph on the velocity axis gives.

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### Slope of the velocity-time graph gives …….. of a moving body

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### The graph given in the figure shows that the body is moving with.....

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